Use HTTPS for arcconfig conduit URL

llvm-svn: 276142
GitOrigin-RevId: edc48e0ec5e86b697ed11eaaad9eede4e31115fc
diff --git a/.arcconfig b/.arcconfig
index e006838..80fd487 100644
--- a/.arcconfig
+++ b/.arcconfig
@@ -1,4 +1,4 @@
 {
   "project_id" : "parallel-libs",
-  "conduit_uri" : "http://reviews.llvm.org/"
+  "conduit_uri" : "https://reviews.llvm.org/"
 }